<li>
  <img src="{{ $user->gravatar() }}" alt="{{ $user->name }}" class="gravatar"/>
  <a href="{{ route('users.show', $user->id )}}" class="username">{{ $user->name }}</a>

  @can('destroy',$user)
    <form action="{{ route('users.destroy',$user->id) }}" method="post">
      {{ csrf_field() }}
      {{ method_field('DELETE') }}
      <button type="submit" class="btn btn-sm btn-danger delete-btn">删除</button>
    </form>
    @endcan
</li>
